
Methods for chemical analysis of tungsten concentrates—Part 16: Determination of iron, manganese, silicon, calcium and tungsten contents—X-ray fluorescence spectrometry
STANDARD published on 25.5.2026
Designation standards: GB/T 6150.16-2026
Note: Execute Date: december 2026
Publication date standards: 25.5.2026
Country: Chinese technical standard
Category: Technical standards GB